Romanian air force Warrant Officer Bogdan Pantilimon records refueling of Romanian air force F-16s aboard a 100th Air Refueling Wing KC-135 Stratotanker from RAF Mildenhall, England, March 12, 2019. The crew trained with Romanian air force F-16s over the skies of Romania, which enhanced regional capabilities to secure air sovereignty and promote peace and security through cooperation, collaboration, interoperability with NATO allies in the region. (U.S. Air Force photo by Airman 1st Class Brandon Esau)